Difference between revisions of "PC-133"

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|- style="background:#ffdead;white-space:nowrap;"
 
|- style="background:#ffdead;white-space:nowrap;"
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! ThinkPad Models !! DIMM Slot 1 !! DIMM Slot 2 !! Official<br>Max-Memory !! Unofficial<br>Max-Memory{{Footnote|1}}
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! ThinkPad Models !! Soldered<br>on systemboard !! DIMM<br>Slot 1 !! DIMM<br>Slot 2 !! Official<br>Max-Memory !! Unofficial<br>Max-Memory{{Footnote|1}}
 
|-
 
|-
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| {{A30}}, {{A30p}} || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
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| {{A30}}, {{A30p}} || || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
 
|-
 
|-
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| {{R30}}{{Footnote|4}} || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
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| {{R30}}{{Footnote|4}} || || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
 
|-
 
|-
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| {{R31}} || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
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| {{R31}} || || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
 
|-
 
|-
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| {{T23}} || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
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| {{T23}} || || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
 
|-
 
|-
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| {{X22}} || 128MB<br>soldered to systemboard || Empty or<br>128MB SO-DIMM || 640MB{{Footnote|3}} || Unknown
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| {{X22}} || 128MB || Empty or<br>128MB SO-DIMM || NA || 640MB{{Footnote|3}} || Unknown
 
|-
 
|-
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| {{X23}} || 128MB<br>soldered to systemboard || Empty || 640MB{{Footnote|3}} || Unknown
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| {{X23}} || 128MB || Empty || NA || 640MB{{Footnote|3}} || Unknown
 
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|-
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| {{X24}} || 128MB<br>soldered to systemboard || 128MB SO-DIMM || 640MB{{Footnote|3}} || Unknown
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| {{X24}} || 128MB || 128MB SO-DIMM || NA || 640MB{{Footnote|3}} || Unknown
 
|-
 
|-
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| {{X30}} || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
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| {{X30}} || || Occupied || Empty || 1GB{{Footnote|2}} || Unknown
 
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{{Footnotes|
 
{{Footnotes|

Revision as of 06:11, 15 December 2005

PC-133

This is 133MHz SDRAM memory in 144-pin SO-DIMM form-factor.

Available memory types from IBM

Partnumber FRU Description
19K4650 19K4651 64MB PC133 SDRAM CL3 NP SO-DIMM
19K4652 19K4653 128MB PC133 SDRAM CL3 NP SO-DIMM
19K4654 19K4655 256MB PC133 SDRAM CL3 NP SO-DIMM
19K4656 19K4657 512MB PC133 SDRAM CL3 NP SO-DIMM

ThinkPads that support this technology

ThinkPad Models Soldered
on systemboard		 DIMM
Slot 1		 DIMM
Slot 2		 Official
Max-Memory		 Unofficial
Max-Memory1
A30, A30p Occupied Empty 1GB2 Unknown
R304 Occupied Empty 1GB2 Unknown
R31 Occupied Empty 1GB2 Unknown
T23 Occupied Empty 1GB2 Unknown
X22 128MB Empty or
128MB SO-DIMM		 NA 640MB3 Unknown
X23 128MB Empty NA 640MB3 Unknown
X24 128MB 128MB SO-DIMM NA 640MB3 Unknown
X30 Occupied Empty 1GB2 Unknown
FOOTNOTES [Δ]
  1. See Unofficial_maximum_memory_specs
  2. Based on 2x 512MB DIMMs, might require removal of original base memory
  3. Based on base 128 plus 512MB DIMM in Slot 2
  4. Ships with PC-133 memory, but runs memory at PC-100 speed
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